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The C and C++ Include Header Files

/usr/include/python3.12/internal/pycore_pyhash.h


$ cat -n /usr/include/python3.12/internal/pycore_pyhash.h

     1	#ifndef Py_INTERNAL_HASH_H
     2	#define Py_INTERNAL_HASH_H
     3	
     4	#ifndef Py_BUILD_CORE
     5	#  error "this header requires Py_BUILD_CORE define"
     6	#endif
     7	
     8	
     9	struct pyhash_runtime_state {
    10	    struct {
    11	#ifndef MS_WINDOWS
    12	        int fd;
    13	        dev_t st_dev;
    14	        ino_t st_ino;
    15	#else
    16	    // This is a placeholder so the struct isn't empty on Windows.
    17	    int _not_used;
    18	#endif
    19	    } urandom_cache;
    20	};
    21	
    22	#ifndef MS_WINDOWS
    23	# define _py_urandom_cache_INIT \
    24	    { \
    25	        .fd = -1, \
    26	    }
    27	#else
    28	# define _py_urandom_cache_INIT {0}
    29	#endif
    30	
    31	#define pyhash_state_INIT \
    32	    { \
    33	        .urandom_cache = _py_urandom_cache_INIT, \
    34	    }
    35	
    36	
    37	uint64_t _Py_KeyedHash(uint64_t, const char *, Py_ssize_t);
    38	
    39	
    40	#endif  // Py_INTERNAL_HASH_H